#region License, Terms and Conditions
//
// Prawks - Copyright (c) 2007 Atif Aziz. All rights reserved.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License as published by the Free
// Software Foundation; either version 2.1 of the License, or (at your option)
// any later version.
//
// This library is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
// FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
// details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this library; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
//
#endregion

namespace Prawks.CodeProvisioning
{
    using System;

    using Regex = System.Text.RegularExpressions.Regex;

    /// <summary>
    /// Represents the methods that will mangle a name, usually that of a method.
    /// </summary>

    public delegate string NameManglingHandler(string name);

    /// <summary>
    /// Mangles a type name.
    /// </summary>

    public sealed class TypeNameMangler
    {
        /// <summary>
        /// Gets an instance of <see cref="NameManglingHandler"/> that is always available
        /// and that represents a default implementation. The default name mangler escapes
        /// any occurrences of the following characters: [ ] , +
        /// </summary>
        
        public readonly static NameManglingHandler Default = new NameManglingHandler(GetImplName);
        
        private TypeNameMangler() 
        { 
            throw new NotSupportedException(); 
        }

        private static string GetImplName(string name)
        {
            if (name == null)
                throw new ArgumentNullException("name");

            return Regex.Replace(name, @"(\[|\]|,|\+)", @"\${0}") + "Impl";
        }
    }
}
